{"problemInfo":{"pid":1,"difficulty":"简单","title":"A+B Problem","content":"Input **2** variables, **A** and **B**, then output the value they add up to.","time_limit":"1","memory_limit":"64","input":"1 2","output":"3","contest_id":0,"is_visible":true,"test_cases":[{"input":"1 2","output":"3"},{"input":"2 4","output":"6"},{"input":"3 7","output":"10"}]}}